Atomic Structure

Which one of the following is not a sub-atomic particle

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Electron has _______ charge

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• None of The Above

Proton has a ______ charge

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• None of the Above

The mass of electron is ________ kg

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The two structural parts of an atom are

• Nucleus & Proton

• Nucleus & Neutron

• Nucleus & Empty Space

• Nucleus & Electrons

Maximum number of electrons in a shell is denoted by the formula

• $2n^1$

• $2n^2$

• $3n^6$

• $4n^2$

Electronic configuration of calcium is

• 2, 8, 18, 8, 2

• 2, 8, 18, 2

• 2, 8, 8, 2

• 2, 8, 10

The nucleus consists of particles known as

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If the atomic mass (A) of bromine is 79.9 and atomic number (Z) is 35, what is its neutron number?

• 35

• 40

• 45

• 50

Which element has the electronic configuration 2, 5

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